Sure thing! We've got 61 and we're gonna multiply it by 89. That's the same as adding 61 to itself 89 times.
Step 1: 0 + 61 = 61
Step 2: 61 + 61 = 122
Step 3: 122 + 61 = 183
Step 4: 183 + 61 = 244
Step 5: 244 + 61 = 305
Step 6: 305 + 61 = 366
Step 7: 366 + 61 = 427
Step 8: 427 + 61 = 488
Step 9: 488 + 61 = 549
Step 10: 549 + 61 = 610
Step 11: 610 + 61 = 671
Step 12: 671 + 61 = 732
Step 13: 732 + 61 = 793
Step 14: 793 + 61 = 854
Step 15: 854 + 61 = 915
Step 16: 915 + 61 = 976
Step 17: 976 + 61 = 1037
Step 18: 1037 + 61 = 1098
Step 19: 1098 + 61 = 1159
Step 20: 1159 + 61 = 1220
Step 21: 1220 + 61 = 1281
Step 22: 1281 + 61 = 1342
Step 23: 1342 + 61 = 1403
Step 24: 1403 + 61 = 1464
Step 25: 1464 + 61 = 1525
Step 26: 1525 + 61 = 1586
Step 27: 1586 + 61 = 1647
Step 28: 1647 + 61 = 1708
Step 29: 1708 + 61 = 1769
Step 30: 1769 + 61 = 1830
Step 31: 1830 + 61 = 1891
Step 32: 1891 + 61 = 1952
Step 33: 1952 + 61 = 2013
Step 34: 2013 + 61 = 2074
Step 35: 2074 + 61 = 2135
Step 36: 2135 + 61 = 2196
Step 37: 2196 + 61 = 2257
Step 38: 2257 + 61 = 2318
Step 39: 2318 + 61 = 2379
Step 40: 2379 + 61 = 2440
Step 41: 2440 + 61 = 2501
Step 42: 2501 + 61 = 2562
Step 43: 2562 + 61 = 2623
Step 44: 2623 + 61 = 2684
Step 45: 2684 + 61 = 2745
Step 46: 2745 + 61 = 2806
Step 47: 2806 + 61 = 2867
Step 48: 2867 + 61 = 2928
Step 49: 2928 + 61 = 2989
Step 50: 2989 + 61 = 3050
Step 51: 3050 + 61 = 3111
Step 52: 3111 + 61 = 3172
Step 53: 3172 + 61 = 3233
Step 54: 3233 + 61 = 3294
Step 55: 3294 + 61 = 3355
Step 56: 3355 + 61 = 3416
Step 57: 3416 + 61 = 3477
Step 58: 3477 + 61 = 3538
Step 59: 3538 + 61 = 3599
Step 60: 3599 + 61 = 3660
Step 61: 3660 + 61 = 3721
Step 62: 3721 + 61 = 3782
Step 63: 3782 + 61 = 3843
Step 64: 3843 + 61 = 3904
Step 65: 3904 + 61 = 3965
Step 66: 3965 + 61 = 4026
Step 67: 4026 + 61 = 4087
Step 68: 4087 + 61 = 4148
Step 69: 4148 + 61 = 4209
Step 70: 4209 + 61 = 4270
Step 71: 4270 + 61 = 4331
Step 72: 4331 + 61 = 4392
Step 73: 4392 + 61 = 4453
Step 74: 4453 + 61 = 4514
Step 75: 4514 + 61 = 4575
Step 76: 4575 + 61 = 4636
Step 77: 4636 + 61 = 4697
Step 78: 4697 + 61 = 4758
Step 79: 4758 + 61 = 4819
Step 80: 4819 + 61 = 4880
Step 81: 4880 + 61 = 4941
Step 82: 4941 + 61 = 5002
Step 83: 5002 + 61 = 5063
Step 84: 5063 + 61 = 5124
Step 85: 5124 + 61 = 5185
Step 86: 5185 + 61 = 5246
Step 87: 5246 + 61 = 5307
Step 88: 5307 + 61 = 5368
Step 89: 5368 + 61 = 5429

So, 61*89 = 5429